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Wiley1
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Journal of Quaternary Science1
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20201
Ros F. Muhammad results 1 · Newest (Page 1/1, per page 25)
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Tephra glass chemistry provides storage and discharge details of five magma reservoirs which fed the 75 ka Youngest Toba Tuff eruption, northern SumatraNARA Subscribed
Journal of Quaternary Science · 2020 · Vol. 35 · Issue 1-2 · Wiley
Nicholas J.G. Pearce; John A. Westgate; Guilherme A.R. Gualda; Emma Gatti; Ros F. Muhammad
The Youngest Toba Tuff contains five distinct glass populations, identified from Ba, Sr and Y compositions, termed PI (lowest Ba) – PV (highest Ba), representing five compositionally distinct pre‐eruptive magma batches that fed the eruption. The PI–PV compositions display systematic changes, with higher FeO, CaO, MgO, TiO 2 and lower incompatible element concentrations in the low‐SiO 2 PIV/PV, than the high‐SiO 2 PI–PIII compo...
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